Polymer Technology Which of the following is a copolymer? Bakelite Polythene Teflon PVC Bakelite Polythene Teflon PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Acrylic Polypropylene Nylon 6:6 Polyester Acrylic Polypropylene Nylon 6:6 Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Non sulphonated hard bakelites are not used for making Ion-exchange resins Fountain pen barrels Formica table tops Combs Ion-exchange resins Fountain pen barrels Formica table tops Combs ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 250 -20 50 500 250 -20 50 500 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. Rubbery Fibrous Hard Leathery Rubbery Fibrous Hard Leathery ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means Depression of its freezing point Improving its curing rate A treatment to retard its deterioration due to oxidation Its softening Depression of its freezing point Improving its curing rate A treatment to retard its deterioration due to oxidation Its softening ANSWER DOWNLOAD EXAMIANS APP
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